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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
439 440 602 328 320 318 2005-2017
Adjustments
764 -200 160 -38 49 -8 2009-2017
Revision Increases
39 280 89 13 72 42 2009-2017
Revision Decreases
550 12 43 195 74 0 2009-2017
Sales
21 3 4 28 12 0 2009-2017
Acquisitions
0 0 0 0 0 0 2009-2017
Extensions and Discoveries
        0 0 2016-2017
Extensions
1 1 21 22 -- -- 2009-2017
New Field Discoveries
0 0 0 0 -- -- 2009-2017
New Reservoir Discoveries in Old Fields
0 0 0 0 -- -- 2009-2017
Estimated Production
68 65 61 48 43 36 2005-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Illinois, Indiana, Kentucky (2017-present), Ohio, and Pennsylvania (2017-Present).  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 11/28/2018
Next Release Date: 11/29/2019